Cite

Confirmation of a privilege to the dean and chapter of St. German of Speyer

MLA

Gregory IX, Pope, approximately 1170-1241. Confirmation of a privilege to the dean and chapter of St. German of Speyer. 3 Mar 1236.. https://collections.library.yale.edu/catalog/10621991.

APA, 6th edition

Gregory IX, Pope, approximately 1170-1241. (3 Mar 1236.)[Confirmation of a privilege to the dean and chapter of St. German of Speyer]. https://collections.library.yale.edu/catalog/10621991.